Advanced Online File Viewer for All Your Needs
The single place to view hundreds of file formats instantly. No installation required, 100% free, and easy to use. Open documents, images, code, archives, and more directly in your browser.
Drop your file here
or click to upload
Supported formats: PDF, DOC, DOCX, XLS, XLSX, PPT, PPTX, JPG, PNG, JSON, XML
Supported Tools & Formats
General Tools
Archive Tools
Document Viewers
Code Viewers
Image Viewers
Audio Players
Video Players
Font Viewers
Developer Tools
How It Works
Open any file in 3 simple steps.
1. Select File
Drag and drop your file or click to browse. We support hundreds of formats.
2. Processing
Our advanced engine identifies and processes your file instantly in the browser.
3. View Online
View your document, image, or code immediately. No software installation needed.
Why Choose Online File Opener?
We provide the best tools to handle your files with ease and security.
Secure & Private
All files are processed securely and automatically deleted from our servers after 2 hours. Your privacy is our priority.
Lightning Fast
Our optimized viewing engine ensures your files are opened and displayed in seconds, without the need for heavy software.
Universal Support
Access our viewers from any device, anywhere. We support a wide range of file formats including Code, Archives, Documents, and Images.
Supported Formats
Our Online File Viewer supports a vast array of file types. You don't need to install specific software for each format. We handle:
...and many more! Whether you are a developer, designer, or office worker, we have the tools you need.
Frequently Asked Questions
Common questions about our online file viewer.
Is it free to use?
Yes, Online File Opener is 100% free to use. You can view as many files as you want without any hidden charges or subscriptions.
Is my file safe?
Absolutely. We prioritize your privacy. Files are processed securely, and in many cases (like image or simple text viewing), they are processed entirely in your browser without even uploading to a server. For server-side processing, files are automatically deleted after a short period.
Do I need to install any software?
No. Our tool works entirely in your web browser (Chrome, Firefox, Safari, Edge, etc.). You don't need to download or install any plugins or software.